refactor(django): 补充应用外壳层中文注释

apps/documents/admin.py

@@ -5,6 +5,7 @@ from .models import UploadedDocument
 
 @admin.register(UploadedDocument)
 class UploadedDocumentAdmin(admin.ModelAdmin):
+    """管理上传文档及其入库状态，便于后台排查问题。"""
     list_display = ("id", "original_name", "scenario_id", "file_type", "status", "created_at")
     list_filter = ("status", "scenario_id", "file_type")
     search_fields = ("original_name", "scenario_id")

apps/documents/apps.py

@@ -2,5 +2,6 @@ from django.apps import AppConfig
 
 
 class DocumentsConfig(AppConfig):
+    """Documents 模块应用配置。"""
     default_auto_field = "django.db.models.BigAutoField"
     name = "apps.documents"

apps/documents/urls.py

@@ -5,6 +5,7 @@ from . import views
 
 app_name = "documents"
 
+# 文档模块对外暴露三个基础动作：列表、上传、手动入库。
 urlpatterns = [
     path("", views.document_list, name="list"),
     path("upload/", views.upload, name="upload"),